Create Diff Package - Salesforce

create-diff-package.sh

#!/bin/bash

# this function will only rsync files and folders once
rsync_unique () {
    local syncpath=$1

    if [[ -d ${syncpath} ]]; then
        if [[ " ${RSYNED_DIRS[@]} " =~ " ${syncpath} " ]]; then
            echo "already rsyned ${syncpath}" &> /dev/null
        else
            RSYNED_DIRS+=("${syncpath}")
            echo "  - adding folder ${syncpath}"
            rsync -rR ${syncpath} $TEMP_DIR
        fi
    elif [[ -f ${syncpath} ]]; then
        if [[ " ${RSYNED_FILES[@]} " =~ " ${syncpath} " ]]; then
            echo "already rsyned ${syncpath}" &> /dev/null
        else
            RSYNED_FILES+=("${syncpath}")
            echo "  - adding file ${syncpath}"
            rsync -R ${syncpath} $TEMP_DIR
        fi
    fi
}

CURRENT_BRANCH=`git rev-parse --abbrev-ref HEAD`

if [ $# -ne 0 ]
then
  CURRENT_BRANCH=$1
fi


TEMP_DIR=.temp
mkdir $TEMP_DIR &> /dev/null
rm -rf $TEMP_DIR/src &> /dev/null
rm -rf $TEMP_DIR/deploy &> /dev/null

DIFF_CMD="git diff -z --name-only --no-renames --diff-filter=ACM $CURRENT_BRANCH src"
echo "detecting changes using ${DIFF_CMD}"
while IFS= read -r -d '' file; do
    if [[ ${file} =~ -meta.xml$ ]]; then # metadata files
        META_FILE=${file}
        if [[ ${file} =~ \/staticresources\/ ]]; then # static resources are complicated because they could be files or directories
            # strip extension from filename
            PATH_WO_EXTENSION=`expr "$file" : '\(.*\/staticresources\/[^\.]*\)'`
            if [[ -d $PATH_WO_EXTENSION ]]; then # resource is a folder
                rsync_unique "${PATH_WO_EXTENSION}"
                rsync_unique "${META_FILE}"
            else # static resource is a file
                RESOURCE_DIR=`expr "${PATH_WO_EXTENSION}" : '\(.*\/staticresources\)\/*'`
                FILENAME_WO_EXTENSION=`expr "${PATH_WO_EXTENSION}" : '.*\/staticresources\/\(.*\)'`
                # find actual filename and extension
                SOURCE_FILE=`find $RESOURCE_DIR -name "${FILENAME_WO_EXTENSION}.*" -maxdepth 1 | grep -v resource-meta.xml$`
                rsync_unique "${SOURCE_FILE}"
                rsync_unique "${META_FILE}"
            fi
        elif [[ ${file} =~ \/aura\/ ]]; then # aura bundle
            BUNDLE_DIR=`expr "$file" : '\(.*\/aura\/[^\/]*\)'`
            rsync_unique "${BUNDLE_DIR}"
        elif [[ ${file} =~ \/lwc\/ ]]; then # lwc bundle
            BUNDLE_DIR=`expr "$file" : '\(.*\/lwc\/[^\/]*\)'`
            rsync_unique "${BUNDLE_DIR}"
        else # all other files
            SOURCE_FILE=`expr "${file}" : '\(.*\)-meta.xml$'` # strip -meta.xml from file to get filename
            rsync_unique "${SOURCE_FILE}"
            rsync_unique "${META_FILE}"
        fi
    elif [[ ${file} =~ \/aura\/ ]]; then # aura bundles
        BUNDLE_DIR=`expr "${file}" : '\(.*\/aura\/[^\/]*\)'`
        rsync_unique "${BUNDLE_DIR}"
    elif [[ ${file} =~ \/lwc\/ ]]; then # lwc bundles
        BUNDLE_DIR=`expr "${file}" : '\(.*\/lwc\/[^\/]*\)'`
        rsync_unique "${BUNDLE_DIR}"
    elif [[ ${file} =~ \/staticresources\/ ]]; then # static resources
        RESOURCE_ROOT_PATH=`expr "${file}" : '\(.*\/staticresources\/[^\/]*\)'`
        if [[ -d ${RESOURCE_ROOT_PATH} ]]; then # resource is a folder
            rsync_unique "${RESOURCE_ROOT_PATH}"
            rsync_unique "${RESOURCE_ROOT_PATH}.resource-meta.xml"
        else # resource is a file
            PATH_WO_EXTENSION=`expr "${file}" : '\(.*\/staticresources\/[^\.]*\)'`
            rsync_unique "${file}"
            rsync_unique "${PATH_WO_EXTENSION}.resource-meta.xml"
        fi
    else # all other files
        rsync_unique "${file}"
        rsync_unique "${file}-meta.xml"
    fi
done < <(sh -c "${DIFF_CMD}")

if [[ ! -d $TEMP_DIR/src ]]; then
    echo "no changed files"
    echo ""
    exit 0
fi


echo "convert sfdx format to mdapi package"
cp sfdx-project.json $TEMP_DIR
cp .forceignore $TEMP_DIR
pushd $TEMP_DIR &> /dev/null
sfdx force:source:convert -r src -d deploy
popd &> /dev/null
echo ""